CN112279396A - Carbon sand double-spliced filter tank - Google Patents
Carbon sand double-spliced filter tank Download PDFInfo
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- CN112279396A CN112279396A CN202011197365.XA CN202011197365A CN112279396A CN 112279396 A CN112279396 A CN 112279396A CN 202011197365 A CN202011197365 A CN 202011197365A CN 112279396 A CN112279396 A CN 112279396A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Environmental & Geological Engineering (AREA)
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- Water Treatment By Sorption (AREA)
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Abstract
本发明涉及一种炭砂双拼滤池，包括至少一组平列设置的炭池和砂池，炭池与砂池之间通过隔墙进行隔离，隔墙上设有隔墙开孔，炭池内设有若干根贯穿炭池的集水槽，集水槽的出水口与隔墙开孔位置对应，砂池内设有与隔墙开孔位置对应的排水装置，排水装置高度低于集水槽高度，集水槽与排水装置之间通过导水管相连。实施中，本方案的一体双拼滤池不设置中央渠，池型有效过滤面积大，布置合理紧凑，占地面积小。同时上向流活性炭吸附池和砂滤池组合在一个池子中，结构简单，管路少，水损小。
The invention relates to a carbon-sand double-combined filter tank, which comprises at least one set of carbon pools and sand pools arranged in parallel. The carbon pools and the sand pools are separated by a partition wall. There are several water collecting tanks running through the carbon pool. The water outlet of the water collecting tank corresponds to the opening position of the partition wall. The sand tank is provided with a drainage device corresponding to the opening position of the partition wall. The height of the drainage device is lower than the height of the water collecting tank. It is connected with the drainage device through a conduit. In the implementation, the integrated double-joint filter tank of this scheme does not have a central canal, the effective filtering area of the pool type is large, the layout is reasonable and compact, and the floor area is small. At the same time, the upward flow activated carbon adsorption tank and the sand filter tank are combined in one tank, with simple structure, few pipelines and small water loss.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a carbon-sand double-spliced filter tank, and particularly relates to a carbon-sand integrated double-spliced filter tank which is not provided with a central channel and is applied to advanced treatment of a water supply plant, treatment of a sewage tank and special water treatment.
Background
At present, an ozone biological activated carbon process and a sand filter process are mostly adopted in advanced treatment, sewage plant treatment and special water treatment of a water works, the ozone biological activated carbon process has better removal rate for natural organic matters and ammonia nitrogen in raw water, and the sand filter process has better removal rate for granular substances in water. The biological activated carbon adsorption tank in the ozone biological activated carbon process has two modes of a downward flow fixed bed and an upward flow fluidized bed. The biological activated carbon adsorption tank adopting a downward flow fixed bed is common, but in recent years, the biological activated carbon adsorption tank adopting an upward flow fluidized bed is gradually popularized and used. Compared with the traditional biological activated carbon adsorption tank of a downward flow fixed bed, the biological activated carbon adsorption tank of the upward flow fluidized bed has the advantages that: firstly, the upward flow activated carbon adsorption tank has good expansion rate, the expansion rate of the upward flow activated carbon adsorption tank can reach 30% -50%, the higher expansion rate can ensure that the activated carbon can fully play a role, and the removal rate of organic matters is improved; secondly, the upward flow activated carbon adsorption tank has high use efficiency, high flow speed and small occupied area; thirdly, the loss of the water head of the upward flow activated carbon adsorption tank is relatively small and is about 1.0m to 1.2 m.
Although the treatment effect of the upward flow activated carbon adsorption tank is good, the limitation is more during the actual arrangement of a water plant and the tank type combinability of the subsequent treatment process is not good due to the lack of a proper tank type structure, difficulty in uniform water distribution and high filter tank manufacturing cost.
Disclosure of Invention
The invention aims to provide an improved carbon-sand double-spliced filter tank which can overcome the defects of large floor area and large water loss in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a charcoal sand shuangpin filtering pond which characterized in that: the double-spliced filter tank comprises a carbon tank and a sand tank which are arranged in parallel, the carbon tank and the sand tank are isolated through a partition wall, partition wall openings are formed in the partition wall, a plurality of water collecting tanks which run through the carbon tank are arranged in the carbon tank, water outlets of the water collecting tanks correspond to the positions of the partition wall openings, a drainage device which corresponds to the positions of the partition wall openings is arranged in the sand tank, the height of the drainage device is lower than that of the water collecting tanks, and the water collecting tanks are connected with the drainage device through water guide pipes.
Preferably, one side of the carbon pond is provided with a water inlet main canal, the side part of the water inlet main canal is provided with a water inlet sub canal, the bottom of the water inlet sub canal is connected with a single-lattice water inlet pipe, the single-lattice water inlet pipe is communicated with the carbon pond through a carbon pond water and gas distribution canal arranged below the carbon pond, one side of the carbon pond water and gas distribution canal is connected with a sand pond flushing pipe, the water inlet main canal and the water inlet sub canal are separated through a single-lattice water inlet weir, and an activated carbon layer is laid at the bottom of the carbon pond.
Furthermore, a sand filter material layer is laid at the bottom of the sand pool, a sand pool water and gas distribution channel is arranged below the sand pool, one side of the sand pool water and gas distribution channel is connected with a sand pool water flushing pipe, and a sand pool drain valve is arranged at a water outlet of the sand pool water and gas distribution channel.
Furthermore, the drainage device is a drainage groove or a perforated pipe, the drainage groove transversely penetrates through the upper part of the sand pool, the drainage pipe is in one-to-one correspondence with the position of the water collecting groove, and the water collecting groove adopts a water collecting finger-shaped groove.
Compared with the prior art, the technical scheme of the invention comprises the improvement of a plurality of details besides the improvement of the whole technical scheme, and particularly has the following beneficial effects:
1. according to the improved scheme, a group of carbon pools and sand pools are arranged in parallel, holes are formed in a partition wall between the carbon pools and the sand pools, a plurality of water collecting tanks penetrating through the carbon pools are arranged in the carbon pools, water outlets of the water collecting tanks correspond to the holes of the partition wall, and drainage devices corresponding to the holes of the partition wall are arranged in the sand pools;
2. in the technical scheme of the invention, the upward flow activated carbon adsorption tank and the sand filter tank are combined in one tank, so that the structure is simple, the pipelines are few, and the water loss is small;
3. in the layout of the invention, the water outlet of the carbon pool directly enters the sand pool, and the water inlet of the sand pool does not need to be provided with a water inlet valve and a water inlet weir, so that the structure is simple;
4. in the scheme of the invention, when the flap valve is adopted for draining water in the sand pond, the effluent of the carbon pond flows out from the perforated pipe which is at the same height as the flap valve, and can be used as surface cleaning water for washing the sand pond, so that the operation cost and the water consumption are saved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic structural diagram of another embodiment of the present invention.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
Reference numerals:
1, a main water inlet channel, 2 single-lattice water inlet weirs, 3 water inlet sub-channels, 4 single-lattice water inlet pipes, 6 water inlet electric butterfly valves, 7 carbon pool water and gas distribution channels, 8 active carbon layers and 9 carbon pool water collection finger-shaped grooves;
12 carbon pool water outlet holes, 13 sand pool water drainage grooves, 14 perforated pipes, 15 sand filter material layers, 16 vertical water guide pipes, 17 sand pool water and gas distribution channels, 18 sand pool gas flushing pipes, 19 sand pool water outlet valves and 20 sand pool water drainage channels;
21 carbon pool gas flushing pipe, 22 carbon pool, 23 sand pool, 25 flap valve, 26 sand pool drain valve.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the + embodiments described are some, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a carbon sand double-spliced filter tank, which is particularly shown in a figure 1 and is different from the prior art in that: the double-spliced filter tank comprises a carbon tank and a sand tank which are arranged in a group of parallel, the carbon tank and the sand tank are isolated through partition walls, partition wall openings are formed in the partition walls, a plurality of water collecting tanks which run through the carbon tank are arranged in the carbon tank, water outlets of the water collecting tanks correspond to the positions of the partition wall openings, a drainage device which corresponds to the positions of the partition wall openings is arranged in the sand tank, the height of the drainage device is lower than that of the water collecting tanks, and the water collecting tanks are connected with the drainage device through water guide pipes.
Particularly, the partition wall of charcoal pond and sand pond separates, indicates the trompil UNICOM sand pond of type groove on the partition wall through the vertical catchment on charcoal pond upper portion, and pending water gets into integrative pair of piece together the pond earlier from down up through the charcoal pond of first half, indicates the type groove catchment and gets into the sand pond by catchment, from last down produces water behind the sand pond of latter half.
Preferably, the carbon-sand integrated double-spliced filter tank is not provided with a carbon tank central channel and a sand tank central channel, the filter area is equal in the filter tank, and water inlet, water production, air flushing and water flushing are performed through a bottom water and gas distribution channel which is arranged below a bottom plate of the filter tank and is positioned in the middle, and water and gas are supplied to a bottom surface pipe of the filter tank from a vertical water and gas distribution pipe.
Preferably, the carbon pond is provided with an upper longitudinal finger-shaped water collecting tank which leads to the sand pond and is provided with a hole on the partition wall to be communicated with the sand pond. And the carbon pond flushing water is discharged through a sand pond drainage system through a water collecting tank.
Preferably, the sand pond can adopt the water drainage tank drainage, and water drainage tank quantity is equal to carbon pond water catch bowl quantity, one-to-one, and the water catch bowl top is less than the water catch bowl bottom, and partition wall trompil department sets up vertical aqueduct and comes water with the water catch bowl level and leads to the water drainage tank downwards.
Preferably, the sand tank can adopt a flap valve for sequencing batch back flush drainage, a vertical water guide pipe is arranged on the partition wall in the sand tank, the upper part of the vertical water guide pipe is connected with the water collecting tank, and the lower part of the vertical water guide pipe is connected with a horizontal perforated pipe arranged above the sand layer. Wherein, the height of the perforated pipe is flush with the center of the flap valve, and the carbon pond can be drained through the perforated pipe when being washed. When the sand pool is flushed and drained, the perforated pipe drainage can form surface plug flow sweeping. The air-blast air inlet of the carbon pool is positioned at the water inlet side of the carbon pool, and the air-blast and water-blast pipes of the sand pool are positioned at the water outlet side of the sand pool.
Example 1
The double-spliced filter tank comprises a carbon tank and a sand tank which are arranged in a group of parallel, the carbon tank and the sand tank are isolated through partition walls, partition wall openings are formed in the partition walls, 3 water collecting tanks which run through the carbon tank are arranged in the carbon tank, water outlets of the water collecting tanks correspond to the positions of the partition wall openings, a drainage device which corresponds to the positions of the partition wall openings is arranged in the sand tank, the height of the drainage device is lower than that of the water collecting tanks, and the water collecting tanks are connected with the drainage device through water guide pipes.
Particularly, one side of the carbon pond is provided with a water inlet main canal, the side part of the water inlet main canal is provided with a water inlet sub canal, the bottom of the water inlet sub canal is connected with a single-lattice water inlet pipe, the single-lattice water inlet pipe is communicated with the carbon pond through a carbon pond water and gas distribution canal arranged below the carbon pond, one side of the carbon pond water and gas distribution canal is connected with a sand pond flushing pipe, the water inlet main canal and the water inlet sub canal are separated through a single-lattice water inlet weir, and an activated carbon layer is laid at the bottom of the carbon pond.
A sand filter material layer is laid at the bottom of the sand pool, a sand pool water and gas distribution channel is arranged below the sand pool, one side of the sand pool water and gas distribution channel is connected with a sand pool water flushing pipe, and a sand pool drain valve is arranged at the water outlet of the sand pool water and gas distribution channel.
The drainage device is a drainage groove which transversely penetrates through the upper part of the sand pool, the drainage pipe is in one-to-one correspondence with the position of the water collection groove, and the water collection groove adopts a water collection finger-shaped groove.
Example 2
The invention provides a carbon-sand integrated double-spliced filter tank which can be provided with a plurality of groups of carbon tanks and sand tanks which correspond one to one, wherein each group of filter tank is a combined tank type of an upward flow activated carbon adsorption tank and a sand filter tank, the front half part of the carbon-sand integrated double-spliced filter tank is a carbon tank with water inlet at the bottom and water outlet at the upper part, and the rear half part of the carbon-sand integrated double-spliced filter tank is a sand tank with water inlet at the upper part and water outlet at the lower part. The carbon-sand integrated double-spliced filter tank is not provided with a central channel, the effective filter area of the tank type is larger, the arrangement is reasonable and compact, the occupied area is small, the investment is small, and the flexibility of the combination arrangement with other water purification structures is higher.
Particularly, the double pin filtering pond includes charcoal pond and the sand pond that a set of platoon set up, keeps apart through the partition wall between charcoal pond and the sand pond, is equipped with the partition wall trompil on the partition wall, is equipped with 3 water catch bowl that run through the charcoal pond in the charcoal pond, and the delivery port and the partition wall trompil position of water catch bowl correspond, are equipped with the drainage device who corresponds with partition wall trompil position in the sand pond, and drainage device height is less than the water catch bowl height, links to each other through the aqueduct between water catch bowl and the drainage device.
The perforated pipe is a horizontal perforated pipe, the water penetrating pipe is arranged along one side pool wall of the sand pool, the perforated pipe sequentially connects the water guiding pipes in series, and the other side pool wall of the sand pool is provided with a flap valve corresponding to the height of the perforated pipe. The height of the opening of the perforated pipe is level with the central height of the flap valve to form horizontal plug flow drainage. The water guide pipe is a vertical water guide pipe, the upper part of the water guide pipe is connected with the water passing hole of the water collecting tank, and the outlet at the lower part of the water guide pipe is narrowed and is higher than the upper opening of the drainage device. The top surface of the water and gas distribution channel of the carbon pool is lower than that of the sand pool.
The invention provides a water treatment system of a carbon-sand integrated double-spliced filter tank, which solves the problems that the carbon tank and the sand tank in China at present lack of proper tank type structures, water distribution is difficult to be uniform, the filter tank is high in manufacturing cost and the large-scale development of a single tank is limited by reasonable and compact tank type arrangement.
Example 3
Fig. 1 and 2 show an embodiment of a carbon-sand integrated double-spliced filter tank in which a sand tank adopts continuous flushing and drainage channels for continuous drainage, which comprises at least one carbon-sand integrated double-spliced filter tank, wherein an upstream activated carbon adsorption tank 22 and a sand tank 23 are combined into a whole, the front half part is a carbon tank 22, the rear half part is a sand tank 23, a partition wall between the carbon tank 22 and the sand tank 23 is separated, and the partition wall is communicated with the sand tank 23 only through a partition wall opening corresponding to a carbon tank water collection finger-shaped groove 9. Set up catchment and indicate type groove 9 in the charcoal pond 22, set up water drainage tank 13 in the sand pond 23, water drainage tank 13 and charcoal pond water catch bowl 9 one-to-one, the groove width is the same, and water drainage tank 13 top is less than the water catch bowl 9 bottom. A vertical water guide pipe 16 is arranged in the sand pool 23 along the wall of the partition wall, water from the water collecting tank 9 is horizontally guided into the water draining tank 13, and washing water is discharged out of the sand pool 23 through the water draining tank 13 when the carbon pool 22 is washed. The upper part of the water guide pipe 16 is connected with the water outlet hole 12 of the carbon pool, and the outlet of the lower part is narrowed and is higher than the upper opening of the water discharge tank 13, so that the back flushing and water discharge of the sand pool are not influenced.
During water treatment, water to be treated enters the water inlet sub-channel 3 through the water inlet main channel 1 and the turning water passes through the single-lattice water inlet weir 2 and enters the carbon pond through the single-lattice water inlet pipe 4, and the single-lattice water inlet pipe 4 is provided with the water inlet electric butterfly valve 6 to control the water inlet of each lattice carbon sand integrated double-spliced filter pond. The water to be treated enters a water and gas distribution channel 7 at the bottom of the carbon pool and enters an active carbon layer 8 through a water and gas distribution system of the carbon pool. The water adsorbed by the activated carbon layer 8 is collected by the carbon pool water collection finger-shaped groove 9, enters the sand pool water drainage groove 13 through the carbon pool water outlet hole 12 and the vertical water guide pipe 16, then flows into the sand pool 23, passes through the sand filter material layer 15 from top to bottom, enters the sand pool water distribution and distribution channel 17, and then is discharged from the sand pool water outlet valve 19.
The carbon-sand integrated double-spliced filter tank also comprises a back washing system of the carbon tank and a back washing system of the sand tank, the carbon tank is only air-washed, and the water washing utilizes the inlet water to be treated for washing. Pressure air enters the carbon pool from the single-lattice water inlet pipe 4 through the carbon pool air flushing pipe 21, the air enters the carbon layer through the carbon pool water and air distribution channel 7, and the air after air flushing is finished is directly discharged into the air. After the air washing is finished, the carbon pond normally feeds water, and as the air washing process is carried out, the biomembrane on the active carbon is forcibly washed by the air to be scrubbed and fall off, the water inlet valve is opened after the air washing, the turbidity of the initial effluent is higher, the effluent is discharged, and the water enters the sand pond drainage groove 13 through the carbon pond water outlet hole 12 and the vertical water guide pipe 16 after being collected by the carbon pond water collection finger-shaped groove 9 and is discharged through the sand pond drainage channel 20 and the sand pond drainage valve 26 which are positioned on the water production side of the sand pond. The back washing of the sand pool comprises air washing and water back washing, pressure air enters the sand pool water and gas distribution channel 17 from the sand pool air washing pipe 18, and the air is directly discharged into the air after passing through the sand filter material layer 15. The pressure water enters the sand pool water and gas distribution channel 17 from the sand pool water washing pipe 24, and after passing through the sand filtering material layer 15, the backwashing wastewater is collected by the sand pool water drainage channel 13 and is discharged through the sand pool water drainage channel 20 and the sand pool water drainage valve 26. Because the flushing and draining water of the carbon pool is drained through the sand pool drainage groove, when the carbon pool is backwashed, the sand pool can be flushed firstly, the carbon pool is flushed after the flushing is finished, the sand pool drainage valve 26 is closed after the flushing of the carbon pool is finished, and the water outlet valve 19 of the sand pool can be opened to produce water after the water level reaches a proper height.
Example 4
Fig. 3 and 4 show an embodiment of a charcoal sand integrated double-spliced filter tank in which a sequencing batch backwash flap valve is adopted for draining water in a sand tank, comprising at least one charcoal sand integrated double-spliced filter tank, wherein the charcoal sand integrated double-spliced filter tank is formed by combining an upstream activated carbon adsorption tank 22 and a sand tank 23 into a whole, the front half part is a charcoal tank 22, the rear half part is a sand tank 23, a partition wall between the charcoal tank 22 and the sand tank 23 is separated, and the charcoal tank 22 and the sand tank 23 are communicated with each other only through an opening of a charcoal tank water collection finger-shaped groove 9. A water collecting finger-shaped groove 9 is arranged in the carbon pond 22, a vertical water guide pipe 16 is arranged in the sand pond 23 along the wall of the partition wall, the upper part of the water guide pipe 16 is connected with a water outlet hole 12 of the carbon pond, and the lower part of the water guide pipe is connected with a horizontal perforated pipe 14 arranged on the sand layer. And a flap valve 25 is arranged on the water outlet side of the sand pool. Wherein the opening height of the perforated pipe 14 is flush with the center of the flap valve 25.
During water treatment, water to be treated enters the water inlet sub-channel 3 through the water inlet main channel 1 and the turning water passes through the single-lattice water inlet weir 2 and enters the carbon pond through the single-lattice water inlet pipe 4, and the single-lattice water inlet pipe 4 is provided with the water inlet electric butterfly valve 6 to control the water inlet of each lattice carbon sand integrated double-spliced filter pond. The water to be treated enters a carbon pool water and gas distribution channel 7 and enters an active carbon layer 8 through a carbon pool water and gas distribution system. After being collected by the carbon pool water collection finger-shaped groove 9, the water adsorbed by the activated carbon layer 8 enters the horizontal perforated pipe 14 through the carbon pool water outlet hole 12 and the vertical water guide pipe 16, then flows into the sand pool 23, passes through the sand filter material layer 15 from top to bottom, enters the sand pool water distribution and distribution channel 17, and then is discharged from the sand pool water outlet valve 19.
The carbon-sand integrated double-spliced filter tank also comprises a back washing system of the carbon tank and a back washing system of the sand tank, the carbon tank is only used for air washing and washing water discharge, pressure air enters the carbon tank from the single-lattice water inlet pipe 4 through the carbon tank air washing pipe 21, the air enters the carbon layer through the carbon tank water and air distribution channel 7, and the gas after the air washing is finished is directly discharged into the air. After the air washing is finished, water is normally fed into the carbon tank, and due to the air washing process, the biomembrane on the active carbon is forcibly scrubbed and falls off by the air washing, and the washing water has high turbidity and needs to be discharged. After being collected by the carbon pond water collection finger-shaped groove 9, flushing water enters the horizontal perforated pipe 14 through the carbon pond water outlet hole 12 and the vertical water guide pipe 16 and is discharged through the flap valve 25 positioned on the water outlet side of the sand pond. The back washing of the sand pool comprises air washing and water back washing, pressure air enters the sand pool water and gas distribution channel 17 from the sand pool air washing pipe 18, and the air is directly discharged into the air after passing through the sand filter material layer 15. The pressure water enters the sand pool water and gas distribution channel 17 from the sand pool water washing pipe 24, and after passing through the sand filter material layer 15, the backwashing wastewater is discharged from the flap valve 25 positioned at the water outlet side of the sand pool.
The foregoing is a more detailed description of the present invention in connection with specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific details set forth herein. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (8)
1. Charcoal sand shuangpin filtering pond, its characterized in that: the double-spliced filter tank comprises a carbon tank and a sand tank which are arranged in parallel, the carbon tank and the sand tank are isolated through a partition wall, partition wall openings are formed in the partition wall, a plurality of water collecting tanks which run through the carbon tank are arranged in the carbon tank, water outlets of the water collecting tanks correspond to the positions of the partition wall openings, a drainage device which corresponds to the positions of the partition wall openings is arranged in the sand tank, the height of the drainage device is lower than that of the water collecting tanks, and the water collecting tanks are connected with the drainage device through water guide pipes.
2. A charcoal and sand double block filter according to claim 1, wherein: one side of charcoal pond is equipped with into water main canal, and the lateral part of into water main canal is equipped with into water and divides the canal, and the bottom of into water and divide the canal is connected with the single check inlet tube, and the single check inlet tube is distributed the canal and is linked together with the charcoal pond through the charcoal pond water distribution that sets up in the charcoal pond below, and one side of charcoal pond water distribution and distribution canal is connected with the sand pool flushing pipe, and the weir is separated through the single check is intake between into water main canal and the into water and divide the canal, and the activated carbon layer has been laid to the bottom in charcoal pond.
3. A charcoal and sand double block filter according to claim 2, wherein: a sand filter material layer is laid at the bottom of the sand pool, a sand pool water and gas distribution channel is arranged below the sand pool, one side of the sand pool water and gas distribution channel is connected with a sand pool water flushing pipe, and a sand pool drain valve is arranged at the water outlet of the sand pool water and gas distribution channel.
4. A charcoal and sand double block filter according to claim 1, wherein: the drainage device is a drainage groove or a perforated pipe, the drainage groove transversely penetrates through the upper part of the sand pool, the drainage pipe and the water collecting groove are in one-to-one correspondence, and the water collecting groove is a water collecting finger-shaped groove.
5. A charcoal and sand double-spliced filter chamber as claimed in claim 4, wherein: the perforated pipe is a horizontal perforated pipe, the water penetrating pipe is arranged along one side pool wall of the sand pool, the perforated pipe sequentially connects the water guiding pipes in series, and the other side pool wall of the sand pool is provided with a flap valve corresponding to the height of the perforated pipe.
6. A charcoal and sand double-spliced filter chamber as claimed in claim 5, wherein: the height of the opening of the perforated pipe is level with the central height of the flap valve to form horizontal plug flow drainage.
7. A charcoal and sand double block filter according to claim 1, wherein: the water guide pipe is a vertical water guide pipe, the upper part of the water guide pipe is connected with the water passing hole of the water collecting tank, and the outlet at the lower part of the water guide pipe is narrowed and is higher than the upper opening of the drainage device.
8. A charcoal and sand double block filter according to claim 3, wherein: the top surface of the water and gas distribution channel of the carbon pool is lower than that of the sand pool.
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| CN202011197365.XA CN112279396A (en) | 2020-10-30 | 2020-10-30 | Carbon sand double-spliced filter tank |
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| CN202011197365.XA CN112279396A (en) | 2020-10-30 | 2020-10-30 | Carbon sand double-spliced filter tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114890570A (en) * | 2022-06-24 | 2022-08-12 | 上海市政工程设计研究总院（集团）有限公司 | Reverse series connection carbon sand filter tank and water filtering method |
| CN117088432A (en) * | 2023-08-30 | 2023-11-21 | 苏州尚源智能科技有限公司 | Bidirectional flow double-function filter tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721032A (en) * | 2005-05-23 | 2006-01-18 | 上海市政工程设计研究院 | a filter |
| CN105498317A (en) * | 2015-11-27 | 2016-04-20 | 上海市政工程设计研究总院（集团）有限公司 | Plug-flow sweep washing batch type air-water backwashing filter tank structure |
| CN108640425A (en) * | 2018-05-22 | 2018-10-12 | 中国市政工程中南设计研究总院有限公司 | Composite flow filter tank and combination thereof |
| CN214528347U (en) * | 2020-10-30 | 2021-10-29 | 上海市政工程设计研究总院（集团）有限公司 | Carbon sand double-spliced filter tank |
-
2020
- 2020-10-30 CN CN202011197365.XA patent/CN112279396A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721032A (en) * | 2005-05-23 | 2006-01-18 | 上海市政工程设计研究院 | a filter |
| CN105498317A (en) * | 2015-11-27 | 2016-04-20 | 上海市政工程设计研究总院（集团）有限公司 | Plug-flow sweep washing batch type air-water backwashing filter tank structure |
| CN108640425A (en) * | 2018-05-22 | 2018-10-12 | 中国市政工程中南设计研究总院有限公司 | Composite flow filter tank and combination thereof |
| CN214528347U (en) * | 2020-10-30 | 2021-10-29 | 上海市政工程设计研究总院（集团）有限公司 | Carbon sand double-spliced filter tank |
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| CN114890570A (en) * | 2022-06-24 | 2022-08-12 | 上海市政工程设计研究总院（集团）有限公司 | Reverse series connection carbon sand filter tank and water filtering method |
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